115850569 has 4 divisors (see below), whose sum is σ = 115885440. Its totient is φ = 115815700.

The previous prime is 115850561. The next prime is 115850573. The reversal of 115850569 is 965058511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 115850569 - 2³ = 115850561 is a prime.

It is a super-2 number, since 2×115850569² = 26842708675247522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115850561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11857 + ... + 19294.

It is an arithmetic number, because the mean of its divisors is an integer number (28971360).

Almost surely, 2^115850569 is an apocalyptic number.

It is an amenable number.

115850569 is a deficient number, since it is larger than the sum of its proper divisors (34871).

115850569 is an equidigital number, since it uses as much as digits as its factorization.

115850569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34870.

The product of its (nonzero) digits is 54000, while the sum is 40.

The square root of 115850569 is about 10763.3902186997. The cubic root of 115850569 is about 487.4903880638.

The spelling of 115850569 in words is "one hundred fifteen million, eight hundred fifty thousand, five hundred sixty-nine".